.TH sqrtf 3 "" "" ""
.SH SYNOPSIS
sqrt, sqrtf \- positive square root
.SH ANSI_SYNOPSIS
#include <math.h>
.br
double sqrt(double 
.IR x );
.br
float  sqrtf(float 
.IR x );
.br
.SH TRAD_SYNOPSIS
#include <math.h>
.br
double sqrt(
.IR x );
.br
float  sqrtf(
.IR x );
.br
.SH DESCRIPTION
.BR sqrt 
computes the positive square root of the argument.
.SH RETURNS
On success, the square root is returned. If 
.IR x 
is real and
positive, then the result is positive. If 
.IR x 
is real and
negative, the global value 
.BR errno 
is set to 
.BR EDOM 
(domain error).
.SH PORTABILITY
.BR sqrt 
is ANSI C. 
.BR sqrtf 
is an extension.
.SH SOURCE
src/newlib/libm/mathfp/s_sqrt.c
